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Popular >

simplify 2sin^2(x/2)-1

Solution

simplify

2 sin^{2} (\frac{x}{2}) - 1

Solution

- cos (x)

Solution steps

2 sin^{2} (\frac{x}{2}) - 1

Rewrite using trig identities

= - cos (x)

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Frequently Asked Questions (FAQ)

What is 2sin^2(x/2)-1 ?
The solution to 2sin^2(x/2)-1 is -cos(x)